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NFPT Ch.4
Anatomical Terms and Biomechanics
| Question | Answer |
|---|---|
| Parallel Sagittal Plane (Parallel Sagittal) | Parallel with midline, divides the body laterally. |
| Frontal Plane (Coronal) | Divides body into a front half and a back half. EX: Lateral raise, pull down, military press. |
| Transverse Plane (Horizontal Plane) | Divides body superiorly and inferiorly. EX: Rotation at the waist, bench press, internal, and external rotation. |
| Sagittal Plane | Along the side of the body. EX: Pulling down a shade, elbow bending forward, lunge, squat. |
| Superior | Above |
| Inferior | Below |
| Anterior (Ventral) | To the front. |
| Posterior (Dorsal) | To the back. |
| Proximal | Toward the trunk. |
| Distal | Away from the trunk. Furthest from. |
| Medial | Towards the middle point of the body. |
| Bilateral | Both sides of the body. |
| Unilateral | One side of the body. |
| Peripheral | Toward the extremities. |
| Superficial | Toward the outer surface. |
| Deep Muscles | Towards the inner body. |
| Give an example of a HINGE joint. | Elbow, Knee. (concave surface moving along the convex surface. 1 degree of freedom.. Move in one plane.) |
| Give an example of a FIXED joint. | Skull. |
| Give an example of a BALL AND SOCKET joint. | Shoulder, hip. (The 3 degree joints. Move in 3 planes at the same time.) |
| Give an example of a GLIDING joint. | Wrist, Foot. (Joints that slide past each other, 3 degrees of freedom.. 3 planes at one time.) |
| The adult has 24 vertebrae. How many in the Cervical, Thoracic, and Lumbar? | Cervical-7 Thoracic-12 Lumbar-5 |
| 4 Bones make up the pelvic girdle. What are they? | The Sacrum, Ilium, Ischium, and Pubic bone. |
| What are the 3 main parts in the shoulder structure? | Scapula, Humeral Head, and the Clavicle. |
| A CONCENTRIC contraction of a muscle is.. | Causes fibers to shorten and contract. The 'positive' part of a rep. |
| An ECCENTRIC contraction of a muscle is.. | Muscles contract while fibers lengthen. Considered the 'negative' part of a rep. |
| An ISOTONIC contraction of a muscle is.. | Any concentric or eccentric muscular contraction that results in movement of a joint. EX: A bicep curl, leg extension. |
| An ISOMETTRIC contraction of a muscle is.. | Is tension being cause but no mechanical work is being done. EX: Holding weight out in front of you. |
| An ISOKINETIC contraction of a muscle is.. | Muscle contraction at a constant velocity while pushing an immovable object. |
| What is an Agonist muscle? | Muscle performing a particular action. Also known as a prime mover. |
| What is an Antagonist muscle? | Muscle responsible for moving a joint in its opposite direction. |
| What is an example or two of antagonistic muscle groups? | -Pectorals/Lattisimus Dorsi -Anterior and Posterior Deltoids -Left and Right external Obliques -Quadriceps/Hamstrings -Biceps/Triceps |
| This sensory nerve (embedded in the fibers of a tendon) shuts down muscle contraction just short of serious acute muscle injury. | Golgi Tendon. |
| Stretch receptors that shut down muscle contraction just short of over-stretch muscle tissue tearing. | Muscle Spindles |
| Flexion | Bending of a joint that decreases the angle. |
| Extension | Straightening of a joint that increases the angle. |
| Hypoextension | Less extension then usual. |
| Hyperextension | Extension beyond normal limits. |
| Abduction | Away from the body. |
| Adduction | Toward the body. |
| Pronation | Palm turning down. |
| Supination | Palm turning up. |
| Rotation | Around an axis. |
| Circumduction | Circular movement. |
| Protraction | Forward motion occurs at shoulder joint. (abduction) |
| Retraction | Backward motion, occurs in the shoulder joint. (adduction) |
| Dorsiflexion | (ankle) Pointing foot up towards the body. |
| Plantarflexion | (ankle) Pointing foot down. |
| Inversion | Turning the feet inward so the soles face each other. |
| Eversion | Turning the soles outward. |